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1,018,472

1,018,472 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

1,018,472 (one million eighteen thousand four hundred seventy-two) is an even 7-digit number. It is a composite number with 32 divisors, and factors as 2³ × 7 × 13 × 1,399. Its proper divisors sum to 1,333,528, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF8A68.

Abundant Number Arithmetic Number Evil Number Practical Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
23
Digit product
0
Digital root
5
Palindrome
No
Bit width
20 bits
Reversed
2,748,101
Square (n²)
1,037,285,214,784
Cube (n³)
1,056,445,947,271,490,048
Divisor count
32
σ(n) — sum of divisors
2,352,000
φ(n) — Euler's totient
402,624
Sum of prime factors
1,425

Primality

Prime factorization: 2 3 × 7 × 13 × 1399

Nearest primes: 1,018,471 (−1) · 1,018,477 (+5)

Divisors & multiples

All divisors (32)
1 · 2 · 4 · 7 · 8 · 13 · 14 · 26 · 28 · 52 · 56 · 91 · 104 · 182 · 364 · 728 · 1399 · 2798 · 5596 · 9793 · 11192 · 18187 · 19586 · 36374 · 39172 · 72748 · 78344 · 127309 · 145496 · 254618 · 509236 (half) · 1018472
Aliquot sum (sum of proper divisors): 1,333,528
Factor pairs (a × b = 1,018,472)
1 × 1018472
2 × 509236
4 × 254618
7 × 145496
8 × 127309
13 × 78344
14 × 72748
26 × 39172
28 × 36374
52 × 19586
56 × 18187
91 × 11192
104 × 9793
182 × 5596
364 × 2798
728 × 1399
First multiples
1,018,472 · 2,036,944 (double) · 3,055,416 · 4,073,888 · 5,092,360 · 6,110,832 · 7,129,304 · 8,147,776 · 9,166,248 · 10,184,720

Sums & aliquot sequence

As consecutive integers: 145,493 + 145,494 + … + 145,499 78,338 + 78,339 + … + 78,350 63,647 + 63,648 + … + 63,662 11,147 + 11,148 + … + 11,237
Aliquot sequence: 1,018,472 1,333,528 1,524,152 1,936,168 1,973,612 1,480,216 1,295,204 971,410 936,302 468,154 243,206 123,754 66,326 40,858 22,502 11,254 6,674 — unresolved within range

Continued fraction of √n

√1,018,472 = [1009; (5, 6, 5, 2, 1, 21, 3, 1, 28, 1, 13, 6, 1, 2, 1, 22, 5, 8, 2, 6, 1, 1, 19, 16, …)]

Representations

In words
one million eighteen thousand four hundred seventy-two
Ordinal
1018472nd
Binary
11111000101001101000
Octal
3705150
Hexadecimal
0xF8A68
Base64
D4po
One's complement
4,293,948,823 (32-bit)
Scientific notation
1.018472 × 10⁶
As a duration
1,018,472 s = 11 days, 18 hours, 54 minutes, 32 seconds
In other bases
ternary (3) 1220202002012
quaternary (4) 3320221220
quinary (5) 230042342
senary (6) 33455052
septenary (7) 11441210
nonary (9) 1822065
undecimal (11) 636214
duodecimal (12) 411488
tridecimal (13) 298760
tetradecimal (14) 1c7240
pentadecimal (15) 151b82

As an angle

1,018,472° = 2,829 × 360° + 32°
32° ≈ 0.559 rad
Compass bearing: NNE (north-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
Chinese
一百零一萬八千四百七十二
Chinese (financial)
壹佰零壹萬捌仟肆佰柒拾貳
In other modern scripts
Eastern Arabic ١٠١٨٤٧٢ Devanagari १०१८४७२ Bengali ১০১৮৪৭২ Tamil ௧௦௧௮௪௭௨ Thai ๑๐๑๘๔๗๒ Tibetan ༡༠༡༨༤༧༢ Khmer ១០១៨៤៧២ Lao ໑໐໑໘໔໗໒ Burmese ၁၀၁၈၄၇၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1018472, here are decompositions:

  • 43 + 1018429 = 1018472
  • 61 + 1018411 = 1018472
  • 163 + 1018309 = 1018472
  • 181 + 1018291 = 1018472
  • 271 + 1018201 = 1018472
  • 349 + 1018123 = 1018472
  • 613 + 1017859 = 1018472
  • 673 + 1017799 = 1018472

Showing the first eight; more decompositions exist.

Hex color
#0F8A68
RGB(15, 138, 104)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.138.104.

Address
0.15.138.104
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.138.104

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 1, 8472 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 8472-10-01 (MMDYYYY (US, single-digit day))
  • 8472-01-10 (DDMYYYY (Euro, single-digit month))
Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,018,472 and was likely granted around 1911.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.